Equine Herpes Myeloencephalopathy (EHM) Updates:

EHV-1 Quarantine Release in Alameda County

April 6, 2019: Quarantine has been released for the Alameda County Premises. No additional cases were detected. 

April 5, 2019: No additional cases. CDFA continues to monitor the situation.

April 1, 2019: No additional cases. CDFA continues to monitor the situation.

March 28, 2019: No additional cases. CDFA continues to monitor the situation.

March 26, 2019: A 3-year-old Thoroughbred filly in Alameda county displaying severe neurologic signs has been confirmed positive for Equine herpesvirus-1 (EHV-1). Due to severity of neurologic signs, the horse was euthanized on Saturday, March 23rd. One barn of exposed horses has been placed under quarantine with enhanced biosecurity measures and twice daily temperature monitoring. CDFA personnel were on-site and continue to monitor the situation.